Hideaway(1995) [Victim]: Presumably killed by Jeremy Sisto. (I haven't seen this, but the IMDB's identification of her role gives away her fate.)

Disturbing Behavior(1998) [Randi Sklar]: Falls to her death (along with all the other mind-altered "Blue Ribbon" students) when William Sadler drives his truck over the dam after all the Blue Ribbons climb on board to get at William's sonic devices. (I couldn't spot Michelle specifically among all the students, but it's stated that all of them are there.)